Facts were sometimes used as blunt instruments as the four remaining GOP presidential candidates hammered away at each other in the last debate before Saturday’s South Carolina primary. Santorum and Romney tangled …

Presidential candidate and Texas Gov. Rick Perry has boasted of significant job growth in his state in the past few years. And for good reason: It’s true. While Texas clearly hasn’t avoided the recession, the state has done well in terms of …

The latest ads from the American Crossroads “super PAC” attack Democrats running for Senate seats in Colorado, Illinois, Ohio, Nevada, Missouri and New Hampshire. The ads contain a number of misleading and false claims. …

The Republican “Pledge to America,” released Sept. 23, contains some dubious factual claims. It declares that “the only parts of the economy expanding are government and our national debt.” Not true. . . .

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Q: Is Sen. Ted Cruz, who was born in Canada, eligible to be the U.S. president?A: Most likely. The legal consensus is that Cruz qualifies because he was born to a U.S. citizen living abroad, making him a U.S. citizen at birth.